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#!/usr/bin/env python
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# encoding: utf-8
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# Thomas Nagy, 2006 (ita)
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"Base for c programs/libraries"
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import os
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import TaskGen, Build, Utils, Task
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from Logs import debug
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import ccroot
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from TaskGen import feature, before, extension, after
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g_cc_flag_vars = [
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'CCDEPS', 'FRAMEWORK', 'FRAMEWORKPATH',
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'STATICLIB', 'LIB', 'LIBPATH', 'LINKFLAGS', 'RPATH',
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'CCFLAGS', 'CPPPATH', 'CPPFLAGS', 'CCDEFINES']
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EXT_CC = ['.c']
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g_cc_type_vars = ['CCFLAGS', 'LINKFLAGS']
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# TODO remove in waf 1.6
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class cc_taskgen(ccroot.ccroot_abstract):
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pass
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@feature('cc')
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@before('apply_type_vars')
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@after('default_cc')
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def init_cc(self):
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self.p_flag_vars = set(self.p_flag_vars).union(g_cc_flag_vars)
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self.p_type_vars = set(self.p_type_vars).union(g_cc_type_vars)
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if not self.env['CC_NAME']:
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raise Utils.WafError("At least one compiler (gcc, ..) must be selected")
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@feature('cc')
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@after('apply_incpaths')
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def apply_obj_vars_cc(self):
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"""after apply_incpaths for INC_PATHS"""
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env = self.env
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app = env.append_unique
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cpppath_st = env['CPPPATH_ST']
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# local flags come first
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# set the user-defined includes paths
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for i in env['INC_PATHS']:
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app('_CCINCFLAGS', cpppath_st % i.bldpath(env))
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app('_CCINCFLAGS', cpppath_st % i.srcpath(env))
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# set the library include paths
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for i in env['CPPPATH']:
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app('_CCINCFLAGS', cpppath_st % i)
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@feature('cc')
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@after('apply_lib_vars')
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def apply_defines_cc(self):
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"""after uselib is set for CCDEFINES"""
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self.defines = getattr(self, 'defines', [])
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lst = self.to_list(self.defines) + self.to_list(self.env['CCDEFINES'])
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milst = []
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# now process the local defines
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for defi in lst:
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if not defi in milst:
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milst.append(defi)
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# CCDEFINES_
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libs = self.to_list(self.uselib)
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for l in libs:
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val = self.env['CCDEFINES_'+l]
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if val: milst += val
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self.env['DEFLINES'] = ["%s %s" % (x[0], Utils.trimquotes('='.join(x[1:]))) for x in [y.split('=') for y in milst]]
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y = self.env['CCDEFINES_ST']
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self.env['_CCDEFFLAGS'] = [y%x for x in milst]
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@extension(EXT_CC)
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def c_hook(self, node):
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# create the compilation task: cpp or cc
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if getattr(self, 'obj_ext', None):
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obj_ext = self.obj_ext
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else:
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obj_ext = '_%d.o' % self.idx
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task = self.create_task('cc', node, node.change_ext(obj_ext))
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try:
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self.compiled_tasks.append(task)
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except AttributeError:
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raise Utils.WafError('Have you forgotten to set the feature "cc" on %s?' % str(self))
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return task
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cc_str = '${CC} ${CCFLAGS} ${CPPFLAGS} ${_CCINCFLAGS} ${_CCDEFFLAGS} ${CC_SRC_F}${SRC} ${CC_TGT_F}${TGT}'
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cls = Task.simple_task_type('cc', cc_str, 'GREEN', ext_out='.o', ext_in='.c', shell=False)
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cls.scan = ccroot.scan
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cls.vars.append('CCDEPS')
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link_str = '${LINK_CC} ${CCLNK_SRC_F}${SRC} ${CCLNK_TGT_F}${TGT[0].abspath(env)} ${LINKFLAGS}'
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cls = Task.simple_task_type('cc_link', link_str, color='YELLOW', ext_in='.o', ext_out='.bin', shell=False)
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cls.maxjobs = 1
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cls.install = Utils.nada
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